Class: BMFF::Box::SegmentIndex

Inherits:
Full
  • Object
show all
Defined in:
lib/bmff/box/segment_index.rb

Overview

vim: set expandtab tabstop=2 shiftwidth=2 softtabstop=2 autoindent:

Instance Attribute Summary collapse

Attributes inherited from Full

#flags, #version

Attributes inherited from Base

#io, #largesize, #offset, #parent, #size, #type, #usertype

Instance Method Summary collapse

Methods inherited from Base

#actual_size, #container?, #eob?, #parse, register_box, register_uuid_box, #remaining_size, #root, #seek_to_end

Instance Attribute Details

#earliest_presentation_time ⇒ Object

Returns the value of attribute earliest_presentation_time.



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# File 'lib/bmff/box/segment_index.rb', line 5

def earliest_presentation_time
  @earliest_presentation_time
end

#first_offset ⇒ Object

Returns the value of attribute first_offset.



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# File 'lib/bmff/box/segment_index.rb', line 5

def first_offset
  @first_offset
end

#reference_count ⇒ Object

Returns the value of attribute reference_count.



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# File 'lib/bmff/box/segment_index.rb', line 5

def reference_count
  @reference_count
end

#reference_id ⇒ Object

Returns the value of attribute reference_id.



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# File 'lib/bmff/box/segment_index.rb', line 5

def reference_id
  @reference_id
end

#reference_type ⇒ Object

Returns the value of attribute reference_type.



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# File 'lib/bmff/box/segment_index.rb', line 5

def reference_type
  @reference_type
end

#referenced_size ⇒ Object

Returns the value of attribute referenced_size.



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# File 'lib/bmff/box/segment_index.rb', line 5

def referenced_size
  @referenced_size
end

#reserved1 ⇒ Object

Returns the value of attribute reserved1.



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# File 'lib/bmff/box/segment_index.rb', line 5

def reserved1
  @reserved1
end

#sap_delta_time ⇒ Object

Returns the value of attribute sap_delta_time.



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# File 'lib/bmff/box/segment_index.rb', line 5

def sap_delta_time
  @sap_delta_time
end

#sap_type ⇒ Object

Returns the value of attribute sap_type.



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# File 'lib/bmff/box/segment_index.rb', line 5

def sap_type
  @sap_type
end

#start_with_sap ⇒ Object

Returns the value of attribute start_with_sap.



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# File 'lib/bmff/box/segment_index.rb', line 5

def start_with_sap
  @start_with_sap
end

#subsegment_duration ⇒ Object

Returns the value of attribute subsegment_duration.



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# File 'lib/bmff/box/segment_index.rb', line 5

def subsegment_duration
  @subsegment_duration
end

#timescale ⇒ Object

Returns the value of attribute timescale.



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# File 'lib/bmff/box/segment_index.rb', line 5

def timescale
  @timescale
end

Instance Method Details

#parse_data ⇒ Object 



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# File 'lib/bmff/box/segment_index.rb', line 12

def parse_data
  super
  @reference_id = io.get_uint32
  @timescale = io.get_uint32
  if version == 0
    @earliest_presentation_time = io.get_uint32
    @first_offset = io.get_uint32
  else
    @earliest_presentation_time = io.get_uint64
    @first_offset = io.get_uint64
  end
  @reserved1 = io.get_uint16
  @reference_count = io.get_uint16
  @reference_type = []
  @referenced_size = []
  @subsegment_duration = []
  @start_with_sap = []
  @sap_type = []
  @sap_delta_time = []
  @reference_count.times do
    tmp = io.get_uint32
    @reference_type << ((tmp & 0x80000000) > 0)
    @referenced_size << (tmp & 0x7FFFFFFF)
    @subsegment_duration << io.get_uint32
    tmp = io.get_uint32
    @start_with_sap << ((tmp & 0x80000000) > 0)
    @sap_type << ((tmp >> 28) & 0x07)
    @sap_delta_time << (tmp & 0x0FFFFFFF)
  end
end